Home / 680,475.60-1,020,713.40-301,577.85

Finding the Fourth Proportional to 680,475.60, 1,020,713.40 and 301,577.85

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Solution

The fourth proportional to 680,475.60, 1,020,713.40 and 301,577.85 is: 452,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,475.60 : 1,020,713.40 = 301,577.85 : x
  2. Step 2: Convert to fraction form
    680,475.60/1,020,713.40 = 301,577.85/x
  3. Step 3: Cross multiply
    680,475.60x = 1,020,713.40 × 301,577.85
  4. Step 4: Simplify right side
    680,475.60x = 307,824,552,638.19
  5. Step 5: Solve for x
    x = 307,824,552,638.19/680,475.60
  6. Step 6: Final answer
    x = 452,366.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.